There are many possible answers for this one! Only the national government can e.g. manage foreign relations, declare war or oversee trade between states and with other countries.
They invaded the land of the native americans, treating them in an unfriendly and violent manner when they arrived. The effects of colonization on the native populations in the New World were mistreatment of the natives, harsh labor for them, and new ideas about religion for the spaniards.
This painting represented the peasant/ lowest class of Ancient Egypt.
Some jobs these people had was farming, raising cattle, and helping to build monuments for the king.
Hope this helped!
~Cheers.
For example, other countries that wanted higher control of various regions started investing in other aspects of warfare such as aircraft building which was not covered in the conference. Japan for example started annexing territory in order to ensure greater control over the Pacific region which was also not forbidden by the conference.
